Trouble removing swingarm on 70 Rupp Roadster

#1
Hello, I'm taking apart my 70 Roadster for blasting and paint and I am having trouble removing the bolt that hold the swingarm to the frame. The long nut that holds the chain guard is off, but I can't remove the bolt. Is it threaded? Or could it just be bent inside from years if abuse and is being stubborn? Any help is greatly appreciated! Thanks! Eric
 
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